package socketdemo4;

import java.io.IOException;
import java.net.DatagramPacket;
import java.net.InetAddress;
import java.net.MulticastSocket;

public class ServerDemo {
    public static void main(String[] args) throws IOException {
        MulticastSocket ms  =new MulticastSocket(10000);

        DatagramPacket dp = new DatagramPacket(new byte[1024], 1024);

        // 组播
        // 把当前计算机绑定一个组播地址,表示添加到这一组中
        ms.joinGroup(InetAddress.getByName("224.0.1.0"));
        ms.receive(dp);

        System.out.println(new String(dp.getData(),0,dp.getLength()));
        ms.close();
    }
}
